Home / 3,168.73-4,755.08-1,221.13

Finding the Fourth Proportional to 3,168.73, 4,755.08 and 1,221.13

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Solution

The fourth proportional to 3,168.73, 4,755.08 and 1,221.13 is: 1,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.73 : 4,755.08 = 1,221.13 : x
  2. Step 2: Convert to fraction form
    3,168.73/4,755.08 = 1,221.13/x
  3. Step 3: Cross multiply
    3,168.73x = 4,755.08 × 1,221.13
  4. Step 4: Simplify right side
    3,168.73x = 5,806,570.84
  5. Step 5: Solve for x
    x = 5,806,570.84/3,168.73
  6. Step 6: Final answer
    x = 1,832.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.